function findScrollTop(){//document.body.scrollTop=111px;
if(window.pageYOffset !=null)return window.pageYOffset;
if(document.body.scrollWidth != null) return document.body.scrollTop;
return (null); }
function moveMenuBar(){
var fxd=document.getElementById('lerm');var y=findScrollTop(); //if(y<0)y=0;
fxd.style.display='none';fxd.style.top=y+'px';fxd.style.display='block';
var fxd=document.getElementById('lerr');y=findScrollTop();  //if(y<0)y=0;
fxd.style.display='none';fxd.style.top=y+'px';fxd.style.display='block';

fxd=document.getElementById('lbutts');y=findScrollTop();
fxd.style.display='none';fxd.style.top=y+35+'px';fxd.style.display='block';
fxd=document.getElementById('rbutts');var y3=findScrollTop();  //if(y3<0)y3=0;
fxd.style.display='none';fxd.style.top=y3+35+'px';fxd.style.display='block';

fxd=document.getElementById('lert');y=findScrollTop(); //if(y<0)y=0;
fxd.style.display='none';fxd.style.top=y+35+'px';fxd.style.display='block';}